[FIX] - report_xls: Fixed error in module preventing the update of the database.
[FIX] - report_xls: Fixed error in module preventing the update of the database.

ClearCorp/odoo-clearcorp,ClearCorp/odoo-clearcorp,ClearCorp-dev/odoo-clearcorp,ClearCorp-dev/odoo-clearcorp,sysadminmatmoz/odoo-clearcorp,ClearCorp/odoo-clearcorp,ClearCorp/odoo-clearcorp,sysadminmatmoz/odoo-clearcorp,ClearCorp-dev/odoo-clearcorp,sysadminmatmoz/odoo-clearcorp,ClearCorp-dev/odoo-clearcorp,sysadminmatmoz/odoo-clearcorp